you can build a primitive version of the bolt cards using any service that offers lnurl withdraw, you can then take that lnurl withdraw and write it to a generic nfc tag using an app like nfc tools. This would then work with all the supported nfc lnurl withdraw apps/service (such as VoltPay, BTCPayerServer, Breez). Happy tinkering!⚡
I saw there is one video about how to write to NFC card/tag using ln.cash. amazing!
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let me know if you run into any issues, always happy to help
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thanks boss!
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